/* contact START */
.contact .nav {
    background: #fff;
  }
  .contact .main1 {
    padding: 20px 0 40px;
  }
  .contact .main1 .right .explain {
    position: relative;
    padding-left: 40px;
  }
  .contact .main1 .right .explain:not(:last-child) {
    padding-bottom: 15px;
    border-bottom: 1px solid #eee;
  }
  .contact .main1 .right .explain:not(:first-child) {
    padding-top: 18px;
  }
  .contact .main1 .right .explain:not(:first-child) .explain_title .explain_icon {
    top: 18px;
  }
  .contact .main1 .right .explain .explain_title .explain_icon {
    position: absolute;
    top: 0;
    left: 0;
    width: 28px;
    height: 28px;
    color: #1f6cc1;
    font-size: 14px;
    line-height: 26px;
    text-align: center;
    border-radius: 50%;
    border: solid 1px #1f6cc1;
    background: #e7eff7;
  }
  .contact .main1 .right .explain .explain_title .explain_text {
    color: #555;
    font-size: 16px;
    line-height: 28px;
    font-weight: bold;
  }
  .contact .main1 .right .explain .explain_content {
    line-height: 32px;
    font-size: 16px;
    margin-top: 2px;
    color: #666;
  }
  /* contact END */
  /* download START */
  .download .nav {
    background: #fff;
  }
  .download .main1 {
    padding: 20px 0 40px;
  }
  .download .main1 .right .right_title {
    margin-bottom: 5px;
  }
  .download .main1 .right .download_list .item:not(:last-child) {
    border-bottom: 1px solid #eee;
  }
  .download .main1 .right .download_list .item:hover .item_title {
    color: #1f6cc1;
  }
  .download .main1 .right .download_list .item:hover .item_icon {
    color: #1f6cc1;
  }
  .download .main1 .right .download_list .item_container {
    height: 60px;
  }
  .download .main1 .right .download_list .item_title {
    width: 470px;
    font-size: 16px;
    color: #333333;
    text-overflow: ellipsis;
    white-space: nowrap;
    overflow: hidden;
    -o-transition: color 0.3s;
    -moz-transition: color 0.3s;
    -webkit-transition: color 0.3s;
    transition: color 0.3s;
  }
  .download .main1 .right .download_list .item_title .iconfont {
    font-size: 20px;
    color: #516374;
    margin-right: 12px;
    position: relative;
    top: 1px;
  }
  .download .main1 .right .download_list .item_time {
    font-size: 14px;
    color: #b2b2b2;
  }
  .download .main1 .right .download_list .item_icon {
    font-size: 20px;
    color: #516374;
    -o-transition: color 0.3s;
    -moz-transition: color 0.3s;
    -webkit-transition: color 0.3s;
    transition: color 0.3s;
  }
  .download .main1 .right .paging {
    margin-top: 30px;
  }
  /* download END */
  /* centre START */
  .centre .nav {
    background: #fff;
  }
  .centre .main1 {
    padding: 20px 0 40px;
  }
  .centre .main1 .left .left_monu .title .en {
    letter-spacing: 0;
    font-size: 12px;
  }
  .centre .main1 .right .right_title {
    margin-bottom: 20px;
  }
  .centre .main1 .right .content_container {
    line-height: 32px;
    font-size: 16px;
    color: #666;
  }
  .centre .main1 .right .contact_container {
    margin-top: 40px;
    border-radius: 5px;
    background: #f9f9f9;
    padding: 22px 30px 30px;
  }
  .centre .main1 .right .contact_container .explain_title {
    text-align: center;
    letter-spacing: 1px;
    font-weight: bold;
    color: #444444;
    font-size: 26px;
  }
  .centre .main1 .right .contact_container .contact_list {
    margin-top: 26px;
  }
  .centre .main1 .right .contact_container .item {
    width: 400px;
    border-radius: 5px;
    background: #ffffff;
    border: solid 1px #eeeeee;
    text-align: center;
    line-height: 28px;
    color: #444444;
    margin-top: 20px;
    font-size: 16px;
    padding: 20px 10px;
  }
  .centre .main1 .right .contact_container .item:nth-child(1),
  .centre .main1 .right .contact_container .item:nth-child(2) {
    margin-top: 0;
  }
  /* centre END */
  /* about_video START */
  .about_video .nav {
    background: #fff;
  }
  .about_video .main1 {
    padding: 20px 0 40px;
  }
  .about_video .main1 .right .right_title {
    margin-bottom: 30px;
  }
  .about_video .main1 .right .video_list .item {
    width: 31.2%;
    margin-top: 28px;
  }
  .about_video .main1 .right .video_list .item:not(:nth-child(3n-2)) {
    margin-left: 3.2%;
  }
  .about_video .main1 .right .video_list .item:nth-child(1),
  .about_video .main1 .right .video_list .item:nth-child(2),
  .about_video .main1 .right .video_list .item:nth-child(3) {
    margin-top: 0;
  }
  .about_video .main1 .right .video_list .item:hover .item_picture .item_icon {
    background: rgba(24, 102, 176, 0.5);
  }
  .about_video .main1 .right .video_list .item:hover .item_explain {
    color: #1f6cc1;
  }
  .about_video .main1 .right .video_list .item .item_picture {
    position: relative;
    border-radius: 6px;
    overflow: hidden;
  }
  .about_video .main1 .right .video_list .item .item_picture .picture_container {
    padding-top: 63.76%;
  }
  .about_video .main1 .right .video_list .item .item_picture .item_icon {
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    margin: auto;
    font-size: 40px;
    color: #fff;
    background: rgba(24, 102, 176, 0.2);
    -o-transition: all 0.5s;
    -moz-transition: all 0.5s;
    -webkit-transition: all 0.5s;
    transition: all 0.5s;
  }
  .about_video .main1 .right .video_list .item .item_explain {
    font-size: 16px;
    color: #444444;
    text-align: center;
    margin-top: 10px;
    text-overflow: ellipsis;
    white-space: nowrap;
    overflow: hidden;
    -o-transition: color 0.3s;
    -moz-transition: color 0.3s;
    -webkit-transition: color 0.3s;
    transition: color 0.3s;
  }
  .about_video .main1 .right .paging {
    margin-top: 35px;
  }
  .about_video .video_popup {
    position: fixed;
    height: 100%;
    width: 100%;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: auto;
    z-index: 10000;
    max-width: 1920px;
    background: rgba(0, 0, 0, 0.5);
    display: none;
  }
  .about_video .video_popup .video_popup_container {
    overflow-y: auto;
    padding: 5% 0;
    height: 100%;
  }
  .about_video .video_popup.active .center {
    -o-transform: translate3d(0, 0, 0);
    -moz-transform: translate3d(0, 0, 0);
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
    opacity: 1;
  }
  .about_video .video_popup .center {
    margin: auto;
    width: 1000px;
    position: relative;
    background: #fff;
    border-radius: 10px;
    padding: 25px 25px 0;
    opacity: 0;
    -o-transform: translate3d(0, -100px, 0);
    -moz-transform: translate3d(0, -100px, 0);
    -webkit-transform: translate3d(0, -100px, 0);
    transform: translate3d(0, -100px, 0);
    -o-transition: all 0.5s;
    -moz-transition: all 0.5s;
    -webkit-transition: all 0.5s;
    transition: all 0.5s;
  }
  .about_video .video_popup .center .close {
    position: absolute;
    right: -10px;
    top: -10px;
    width: 32px;
    height: 32px;
    line-height: 32px;
    border-radius: 50%;
    text-align: center;
    background: #1f6cc1;
    font-size: 18px;
    cursor: pointer;
    color: #fff;
  }
  .about_video .video_popup .center .close:hover {
    opacity: 0.95;
  }
  .about_video .video_popup .center #video {
    overflow: hidden;
    position: relative;
    padding-top: 63.76%;
    border-radius: 10px;
    background: #f4f4f4;
  }
  .about_video .video_popup .center #video video {
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    margin: auto;
    max-width: 100%;
    max-height: 100%;
  }
  .about_video .video_popup .center .video_explain {
    padding: 15px 15px 20px;
    text-align: center;
    line-height: 28px;
    font-size: 16px;
    color: #333;
  }
  /* about_video END */
  